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Ray M. Sharples

Researcher at Durham University

Publications -  301
Citations -  13975

Ray M. Sharples is an academic researcher from Durham University. The author has contributed to research in topics: Galaxy & Globular cluster. The author has an hindex of 62, co-authored 286 publications receiving 13133 citations. Previous affiliations of Ray M. Sharples include Centre national de la recherche scientifique & Australian Astronomical Observatory.

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Evolution since Z = 0.5 of the morphology-density relation for clusters of galaxies

TL;DR: In this paper, the authors used traditional morphological classifications of galaxies in 10 intermediate-redshift (z similar to 0.5) clusters observed with WFPC2 on the Hubble Space Telescope, and derived relations between morphology and local galaxy density similar to that found by Dressier for low-Redshift clusters.
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The DESI Experiment Part I: Science,Targeting, and Survey Design

Amir Aghamousa, +291 more
TL;DR: DESI as discussed by the authors is a ground-based dark energy experiment that will study baryon acoustic oscillations (BAO) and the growth of structure through redshift-space distortions with a wide-area galaxy and quasar redshift survey.
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Hubble Space Telescope Observations of the Lensing Cluster Abell 2218

TL;DR: In this article, a striking new Hubble Space Telescope (HST) observation of the rich cluster Abell 2218 taken with the Wide-Field and Planetary Camera (WFPC2) was presented.
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The Homogeneity of Spheroidal Populations in Distant Clusters

TL;DR: In this paper, the authors used the HST to conduct the morphological separation of spheroidal and disk galaxies at this redshift and use their new data to repeat the analysis conducted locally at a significant look-back time.